HMac.smali
.class public Lorg/spongycastle/crypto/macs/HMac;
.super Ljava/lang/Object;
.source "HMac.java"
# interfaces
.implements Lorg/spongycastle/crypto/Mac;
# static fields
.field private static final IPAD:B = 0x36t
.field private static final OPAD:B = 0x5ct
.field private static blockLengths:Ljava/util/Hashtable;
# instance fields
.field private blockLength:I
.field private digest:Lorg/spongycastle/crypto/Digest;
.field private digestSize:I
.field private inputPad:[B
.field private ipadState:Lorg/spongycastle/util/Memoable;
.field private opadState:Lorg/spongycastle/util/Memoable;
.field private outputBuf:[B
# direct methods
.method static constructor <clinit>()V
.registers 5
.prologue
const/16 v4, 0x80
const/16 v3, 0x40
.line 37
new-instance v0, Ljava/util/Hashtable;
invoke-direct {v0}, Ljava/util/Hashtable;-><init>()V
.line 39
sput-object v0, Lorg/spongycastle/crypto/macs/HMac;->blockLengths:Ljava/util/Hashtable;
const-string v1, "GOST3411"
const/16 v2, 0x20
invoke-static {v2}, Lorg/spongycastle/util/Integers;->valueOf(I)Ljava/lang/Integer;
move-result-object v2
invoke-virtual {v0, v1, v2}, Ljava/util/Hashtable;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
.line 41
sget-object v0, Lorg/spongycastle/crypto/macs/HMac;->blockLengths:Ljava/util/Hashtable;
const-string v1, "MD2"
const/16 v2, 0x10
invoke-static {v2}, Lorg/spongycastle/util/Integers;->valueOf(I)Ljava/lang/Integer;
move-result-object v2
invoke-virtual {v0, v1, v2}, Ljava/util/Hashtable;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
.line 42
sget-object v0, Lorg/spongycastle/crypto/macs/HMac;->blockLengths:Ljava/util/Hashtable;
const-string v1, "MD4"
invoke-static {v3}, Lorg/spongycastle/util/Integers;->valueOf(I)Ljava/lang/Integer;
move-result-object v2
invoke-virtual {v0, v1, v2}, Ljava/util/Hashtable;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
.line 43
sget-object v0, Lorg/spongycastle/crypto/macs/HMac;->blockLengths:Ljava/util/Hashtable;
const-string v1, "MD5"
invoke-static {v3}, Lorg/spongycastle/util/Integers;->valueOf(I)Ljava/lang/Integer;
move-result-object v2
invoke-virtual {v0, v1, v2}, Ljava/util/Hashtable;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
.line 45
sget-object v0, Lorg/spongycastle/crypto/macs/HMac;->blockLengths:Ljava/util/Hashtable;
const-string v1, "RIPEMD128"
invoke-static {v3}, Lorg/spongycastle/util/Integers;->valueOf(I)Ljava/lang/Integer;
move-result-object v2
invoke-virtual {v0, v1, v2}, Ljava/util/Hashtable;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
.line 46
sget-object v0, Lorg/spongycastle/crypto/macs/HMac;->blockLengths:Ljava/util/Hashtable;
const-string v1, "RIPEMD160"
invoke-static {v3}, Lorg/spongycastle/util/Integers;->valueOf(I)Ljava/lang/Integer;
move-result-object v2
invoke-virtual {v0, v1, v2}, Ljava/util/Hashtable;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
.line 48
sget-object v0, Lorg/spongycastle/crypto/macs/HMac;->blockLengths:Ljava/util/Hashtable;
const-string v1, "SHA-1"
invoke-static {v3}, Lorg/spongycastle/util/Integers;->valueOf(I)Ljava/lang/Integer;
move-result-object v2
invoke-virtual {v0, v1, v2}, Ljava/util/Hashtable;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
.line 49
sget-object v0, Lorg/spongycastle/crypto/macs/HMac;->blockLengths:Ljava/util/Hashtable;
const-string v1, "SHA-224"
invoke-static {v3}, Lorg/spongycastle/util/Integers;->valueOf(I)Ljava/lang/Integer;
move-result-object v2
invoke-virtual {v0, v1, v2}, Ljava/util/Hashtable;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
.line 50
sget-object v0, Lorg/spongycastle/crypto/macs/HMac;->blockLengths:Ljava/util/Hashtable;
const-string v1, "SHA-256"
invoke-static {v3}, Lorg/spongycastle/util/Integers;->valueOf(I)Ljava/lang/Integer;
move-result-object v2
invoke-virtual {v0, v1, v2}, Ljava/util/Hashtable;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
.line 51
sget-object v0, Lorg/spongycastle/crypto/macs/HMac;->blockLengths:Ljava/util/Hashtable;
const-string v1, "SHA-384"
invoke-static {v4}, Lorg/spongycastle/util/Integers;->valueOf(I)Ljava/lang/Integer;
move-result-object v2
invoke-virtual {v0, v1, v2}, Ljava/util/Hashtable;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
.line 52
sget-object v0, Lorg/spongycastle/crypto/macs/HMac;->blockLengths:Ljava/util/Hashtable;
const-string v1, "SHA-512"
invoke-static {v4}, Lorg/spongycastle/util/Integers;->valueOf(I)Ljava/lang/Integer;
move-result-object v2
invoke-virtual {v0, v1, v2}, Ljava/util/Hashtable;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
.line 54
sget-object v0, Lorg/spongycastle/crypto/macs/HMac;->blockLengths:Ljava/util/Hashtable;
const-string v1, "Tiger"
invoke-static {v3}, Lorg/spongycastle/util/Integers;->valueOf(I)Ljava/lang/Integer;
move-result-object v2
invoke-virtual {v0, v1, v2}, Ljava/util/Hashtable;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
.line 55
sget-object v0, Lorg/spongycastle/crypto/macs/HMac;->blockLengths:Ljava/util/Hashtable;
const-string v1, "Whirlpool"
invoke-static {v3}, Lorg/spongycastle/util/Integers;->valueOf(I)Ljava/lang/Integer;
move-result-object v2
invoke-virtual {v0, v1, v2}, Ljava/util/Hashtable;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
.line 56
return-void
.end method
.method public constructor <init>(Lorg/spongycastle/crypto/Digest;)V
.registers 3
.prologue
.line 85
invoke-static {p1}, Lorg/spongycastle/crypto/macs/HMac;->getByteLength(Lorg/spongycastle/crypto/Digest;)I
move-result v0
invoke-direct {p0, p1, v0}, Lorg/spongycastle/crypto/macs/HMac;-><init>(Lorg/spongycastle/crypto/Digest;I)V
.line 86
return-void
.end method
.method private constructor <init>(Lorg/spongycastle/crypto/Digest;I)V
.registers 5
.prologue
.line 91
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
.line 92
iput-object p1, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
.line 93
invoke-interface {p1}, Lorg/spongycastle/crypto/Digest;->getDigestSize()I
move-result v0
iput v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digestSize:I
.line 94
iput p2, p0, Lorg/spongycastle/crypto/macs/HMac;->blockLength:I
.line 95
iget v0, p0, Lorg/spongycastle/crypto/macs/HMac;->blockLength:I
new-array v0, v0, [B
iput-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->inputPad:[B
.line 96
iget v0, p0, Lorg/spongycastle/crypto/macs/HMac;->blockLength:I
iget v1, p0, Lorg/spongycastle/crypto/macs/HMac;->digestSize:I
add-int/2addr v0, v1
new-array v0, v0, [B
iput-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->outputBuf:[B
.line 97
return-void
.end method
.method private static getByteLength(Lorg/spongycastle/crypto/Digest;)I
.registers 4
.prologue
.line 61
instance-of v0, p0, Lorg/spongycastle/crypto/ExtendedDigest;
if-eqz v0, :cond_b
.line 63
check-cast p0, Lorg/spongycastle/crypto/ExtendedDigest;
invoke-interface {p0}, Lorg/spongycastle/crypto/ExtendedDigest;->getByteLength()I
move-result v0
.line 73
:goto_a
return v0
.line 66
:cond_b
sget-object v0, Lorg/spongycastle/crypto/macs/HMac;->blockLengths:Ljava/util/Hashtable;
invoke-interface {p0}, Lorg/spongycastle/crypto/Digest;->getAlgorithmName()Ljava/lang/String;
move-result-object v1
invoke-virtual {v0, v1}, Ljava/util/Hashtable;->get(Ljava/lang/Object;)Ljava/lang/Object;
move-result-object v0
check-cast v0, Ljava/lang/Integer;
.line 68
if-nez v0, :cond_32
.line 70
new-instance v0, Ljava/lang/IllegalArgumentException;
new-instance v1, Ljava/lang/StringBuilder;
const-string v2, "unknown digest passed: "
invoke-direct {v1, v2}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V
invoke-interface {p0}, Lorg/spongycastle/crypto/Digest;->getAlgorithmName()Ljava/lang/String;
move-result-object v2
invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v1
invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v1
invoke-direct {v0, v1}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
throw v0
.line 73
:cond_32
invoke-virtual {v0}, Ljava/lang/Integer;->intValue()I
move-result v0
goto :goto_a
.end method
.method private static xorPad([BIB)V
.registers 5
.prologue
.line 226
const/4 v0, 0x0
:goto_1
if-ge v0, p1, :cond_c
.line 228
aget-byte v1, p0, v0
xor-int/2addr v1, p2
int-to-byte v1, v1
aput-byte v1, p0, v0
.line 226
add-int/lit8 v0, v0, 0x1
goto :goto_1
.line 230
:cond_c
return-void
.end method
# virtual methods
.method public doFinal([BI)I
.registers 8
.prologue
const/4 v4, 0x0
.line 177
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
iget-object v1, p0, Lorg/spongycastle/crypto/macs/HMac;->outputBuf:[B
iget v2, p0, Lorg/spongycastle/crypto/macs/HMac;->blockLength:I
invoke-interface {v0, v1, v2}, Lorg/spongycastle/crypto/Digest;->doFinal([BI)I
.line 179
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->opadState:Lorg/spongycastle/util/Memoable;
if-eqz v0, :cond_3a
.line 181
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
check-cast v0, Lorg/spongycastle/util/Memoable;
iget-object v1, p0, Lorg/spongycastle/crypto/macs/HMac;->opadState:Lorg/spongycastle/util/Memoable;
invoke-interface {v0, v1}, Lorg/spongycastle/util/Memoable;->reset(Lorg/spongycastle/util/Memoable;)V
.line 182
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
iget-object v1, p0, Lorg/spongycastle/crypto/macs/HMac;->outputBuf:[B
iget v2, p0, Lorg/spongycastle/crypto/macs/HMac;->blockLength:I
iget-object v3, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
invoke-interface {v3}, Lorg/spongycastle/crypto/Digest;->getDigestSize()I
move-result v3
invoke-interface {v0, v1, v2, v3}, Lorg/spongycastle/crypto/Digest;->update([BII)V
.line 189
:goto_26
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
invoke-interface {v0, p1, p2}, Lorg/spongycastle/crypto/Digest;->doFinal([BI)I
move-result v1
.line 191
iget v0, p0, Lorg/spongycastle/crypto/macs/HMac;->blockLength:I
:goto_2e
iget-object v2, p0, Lorg/spongycastle/crypto/macs/HMac;->outputBuf:[B
array-length v2, v2
if-ge v0, v2, :cond_45
.line 193
iget-object v2, p0, Lorg/spongycastle/crypto/macs/HMac;->outputBuf:[B
aput-byte v4, v2, v0
.line 191
add-int/lit8 v0, v0, 0x1
goto :goto_2e
.line 186
:cond_3a
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
iget-object v1, p0, Lorg/spongycastle/crypto/macs/HMac;->outputBuf:[B
iget-object v2, p0, Lorg/spongycastle/crypto/macs/HMac;->outputBuf:[B
array-length v2, v2
invoke-interface {v0, v1, v4, v2}, Lorg/spongycastle/crypto/Digest;->update([BII)V
goto :goto_26
.line 196
:cond_45
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->ipadState:Lorg/spongycastle/util/Memoable;
if-eqz v0, :cond_53
.line 198
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
check-cast v0, Lorg/spongycastle/util/Memoable;
iget-object v2, p0, Lorg/spongycastle/crypto/macs/HMac;->ipadState:Lorg/spongycastle/util/Memoable;
invoke-interface {v0, v2}, Lorg/spongycastle/util/Memoable;->reset(Lorg/spongycastle/util/Memoable;)V
.line 205
:goto_52
return v1
.line 202
:cond_53
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
iget-object v2, p0, Lorg/spongycastle/crypto/macs/HMac;->inputPad:[B
iget-object v3, p0, Lorg/spongycastle/crypto/macs/HMac;->inputPad:[B
array-length v3, v3
invoke-interface {v0, v2, v4, v3}, Lorg/spongycastle/crypto/Digest;->update([BII)V
goto :goto_52
.end method
.method public getAlgorithmName()Ljava/lang/String;
.registers 3
.prologue
.line 101
new-instance v0, Ljava/lang/StringBuilder;
invoke-direct {v0}, Ljava/lang/StringBuilder;-><init>()V
iget-object v1, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
invoke-interface {v1}, Lorg/spongycastle/crypto/Digest;->getAlgorithmName()Ljava/lang/String;
move-result-object v1
invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v0
const-string v1, "/HMAC"
invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v0
invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v0
return-object v0
.end method
.method public getMacSize()I
.registers 2
.prologue
.line 156
iget v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digestSize:I
return v0
.end method
.method public getUnderlyingDigest()Lorg/spongycastle/crypto/Digest;
.registers 2
.prologue
.line 106
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
return-object v0
.end method
.method public init(Lorg/spongycastle/crypto/CipherParameters;)V
.registers 6
.prologue
const/4 v3, 0x0
.line 112
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
invoke-interface {v0}, Lorg/spongycastle/crypto/Digest;->reset()V
.line 114
check-cast p1, Lorg/spongycastle/crypto/params/KeyParameter;
invoke-virtual {p1}, Lorg/spongycastle/crypto/params/KeyParameter;->getKey()[B
move-result-object v1
.line 115
array-length v0, v1
.line 117
iget v2, p0, Lorg/spongycastle/crypto/macs/HMac;->blockLength:I
if-le v0, v2, :cond_2b
.line 119
iget-object v2, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
invoke-interface {v2, v1, v3, v0}, Lorg/spongycastle/crypto/Digest;->update([BII)V
.line 120
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
iget-object v1, p0, Lorg/spongycastle/crypto/macs/HMac;->inputPad:[B
invoke-interface {v0, v1, v3}, Lorg/spongycastle/crypto/Digest;->doFinal([BI)I
.line 122
iget v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digestSize:I
.line 129
:goto_1f
iget-object v1, p0, Lorg/spongycastle/crypto/macs/HMac;->inputPad:[B
array-length v1, v1
if-ge v0, v1, :cond_31
.line 131
iget-object v1, p0, Lorg/spongycastle/crypto/macs/HMac;->inputPad:[B
aput-byte v3, v1, v0
.line 129
add-int/lit8 v0, v0, 0x1
goto :goto_1f
.line 126
:cond_2b
iget-object v2, p0, Lorg/spongycastle/crypto/macs/HMac;->inputPad:[B
invoke-static {v1, v3, v2, v3, v0}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
goto :goto_1f
.line 134
:cond_31
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->inputPad:[B
iget-object v1, p0, Lorg/spongycastle/crypto/macs/HMac;->outputBuf:[B
iget v2, p0, Lorg/spongycastle/crypto/macs/HMac;->blockLength:I
invoke-static {v0, v3, v1, v3, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
.line 136
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->inputPad:[B
iget v1, p0, Lorg/spongycastle/crypto/macs/HMac;->blockLength:I
const/16 v2, 0x36
invoke-static {v0, v1, v2}, Lorg/spongycastle/crypto/macs/HMac;->xorPad([BIB)V
.line 137
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->outputBuf:[B
iget v1, p0, Lorg/spongycastle/crypto/macs/HMac;->blockLength:I
const/16 v2, 0x5c
invoke-static {v0, v1, v2}, Lorg/spongycastle/crypto/macs/HMac;->xorPad([BIB)V
.line 139
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
instance-of v0, v0, Lorg/spongycastle/util/Memoable;
if-eqz v0, :cond_67
.line 141
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
check-cast v0, Lorg/spongycastle/util/Memoable;
invoke-interface {v0}, Lorg/spongycastle/util/Memoable;->copy()Lorg/spongycastle/util/Memoable;
move-result-object v0
iput-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->opadState:Lorg/spongycastle/util/Memoable;
.line 143
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->opadState:Lorg/spongycastle/util/Memoable;
check-cast v0, Lorg/spongycastle/crypto/Digest;
iget-object v1, p0, Lorg/spongycastle/crypto/macs/HMac;->outputBuf:[B
iget v2, p0, Lorg/spongycastle/crypto/macs/HMac;->blockLength:I
invoke-interface {v0, v1, v3, v2}, Lorg/spongycastle/crypto/Digest;->update([BII)V
.line 146
:cond_67
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
iget-object v1, p0, Lorg/spongycastle/crypto/macs/HMac;->inputPad:[B
iget-object v2, p0, Lorg/spongycastle/crypto/macs/HMac;->inputPad:[B
array-length v2, v2
invoke-interface {v0, v1, v3, v2}, Lorg/spongycastle/crypto/Digest;->update([BII)V
.line 148
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
instance-of v0, v0, Lorg/spongycastle/util/Memoable;
if-eqz v0, :cond_81
.line 150
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
check-cast v0, Lorg/spongycastle/util/Memoable;
invoke-interface {v0}, Lorg/spongycastle/util/Memoable;->copy()Lorg/spongycastle/util/Memoable;
move-result-object v0
iput-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->ipadState:Lorg/spongycastle/util/Memoable;
.line 152
:cond_81
return-void
.end method
.method public reset()V
.registers 5
.prologue
.line 216
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
invoke-interface {v0}, Lorg/spongycastle/crypto/Digest;->reset()V
.line 221
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
iget-object v1, p0, Lorg/spongycastle/crypto/macs/HMac;->inputPad:[B
const/4 v2, 0x0
iget-object v3, p0, Lorg/spongycastle/crypto/macs/HMac;->inputPad:[B
array-length v3, v3
invoke-interface {v0, v1, v2, v3}, Lorg/spongycastle/crypto/Digest;->update([BII)V
.line 222
return-void
.end method
.method public update(B)V
.registers 3
.prologue
.line 162
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
invoke-interface {v0, p1}, Lorg/spongycastle/crypto/Digest;->update(B)V
.line 163
return-void
.end method
.method public update([BII)V
.registers 5
.prologue
.line 170
iget-object v0, p0, Lorg/spongycastle/crypto/macs/HMac;->digest:Lorg/spongycastle/crypto/Digest;
invoke-interface {v0, p1, p2, p3}, Lorg/spongycastle/crypto/Digest;->update([BII)V
.line 171
return-void
.end method